13044226872 has 64 divisors (see below), whose sum is σ = 33681715200. Its totient is φ = 4205416320.

The previous prime is 13044226849. The next prime is 13044226891. The reversal of 13044226872 is 27862244031.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 13044226872.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1684273 + ... + 1691999.

It is an arithmetic number, because the mean of its divisors is an integer number (526276800).

Almost surely, 2^13044226872 is an apocalyptic number.

13044226872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13044226872 is an abundant number, since it is smaller than the sum of its proper divisors (20637488328).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13044226872 is a wasteful number, since it uses less digits than its factorization.

13044226872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10036 (or 10032 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 39.

The spelling of 13044226872 in words is "thirteen billion, forty-four million, two hundred twenty-six thousand, eight hundred seventy-two".